* {
    margin: 0;
    padding: 0;
    list-style: none;
}

html,
body {
    width: 100%;
    height: 100%;
}

#root {
    width: 100%;
    height: 100%;
}

.box {
    width: 100%;
    height: 100%;
}

.nav {
    width: 100%;
    height: 200px;
    display: flex;
    flex-wrap: wrap;
}

.nav dl {
    width: 20%;
    height: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    display: flex;
    flex-direction: column;
}

.nav dl dt {
    width: 50px;
    height: 50px;
    border: 1px solid black;
    border-radius: 50%;
    overflow: hidden;
}

.nav dl dt img {
    width: 100%;
    height: 100%;
}

.bscroll {
    width: 100%;
    height: 150px;
    overflow: hidden;
    margin: 20px 0;
}

.bscroll>ul {
    height: 100%;
    width: 320%;
    display: flex;
    justify-content: space-around;
}

.bscroll>ul>li {
    width: 24%;
    height: 100%;
    box-sizing: border-box;
    border: 1px solid #203987;
    text-align: center;
    line-height: 148px;
}

.tzi>div {
    border: 1px solid #203987;
    margin: 10px 0;
    display: flex;
    justify-content: space-around;
    font-weight: bold;
}

.tzi>div>p {
    padding: 5px 10px;
    border: 1px solid #203987;
}

.tzi>div>p.active {
    background: #203987;
    color: #fff;
}